Freon Standard Back Catalog number: 96694 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1144.24-K-IO n-Tetracosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 646-31-1 Price on request PFHXA Perfluoro-n-hexanoic acid, 1.2ml x 50ug/ml, methanol Price on request 2487.8-K-ME Mono-n-octyltin trichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3091-25-6 Price on request